Vfo A And Vfob - Icom IC-725 Instruction Manual

PRE-OPERATION
4
(2)
OPERATING FREQUENCY
SELECTION
1)
To
select
the desired operating band,
see
(1)
BAND
SELECTION
on
the previous page.
2)
Rotate the
MAIN
DIAL
to
set
the desired operating
frequency.
•
The
frequency changes
in
10
Hz
steps.
•
To
change
the
frequency
either
in
20 Hz
or
50
Hz
steps,
see
(3)
CHANGING THE FREQUENCY
STEP.
•
To
change the frequency
quickly, see step
3.
• Faster
MAIN
DIAL
rotation automatically
shifts
the
tuning increment by 10
kHz
per
full rotation.
2)
Push and hold the [kHz]
switch,
then
rotate the
MAIN
DIAL
•
The
FUNCTION
DISPLAY
shows frequency
steps for
10
Hz,
20
Hz
and 50 Hz
sequentially.
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3) Select
the
desired
frequency
step
and
release
the [kHz]
switch.
When
the [kHz] switch
is
pushed,
'W
appears
above
the
kHz
digit.
Rotating the
MAIN
DIAL
changes
the
kHz
digit.
-Push [kHz].
TjT
appears.
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This
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digit
and
the
above
digit
change.
When
the
[MHz]
switch
is
pushed,
appears
above the
MHz
digit.
Rotating the
MAIN
DIAL
changes the
MHz
digit.
-
Push [MHz]
L-T
appears.
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This digit
and
the above
digit
change.
(3)
CHANGING THE FREQUENCY
STEP
The
IC-725
has
been
set at
10
Hz
frequency
steps
at
the
factory.
However,
the frequency
step
can
be
changed
to
20 Hz
or
50 Hz
as follows:
1)
Push the
[FUNC]
switch.
(4)
TURNING
ON AND
OFF THE
10
Hz DIGIT
The
10
Hz
digit
can be turned
ON
and
OFF. The
frequency
changes
in
the
set
frequency
step
even
if
the
digit
is
turned
OFF.
1)
Push the
[FUNC]
switch.
21 Push the
[BAND]
switch.
•
The 10 Hz
digit disappears.
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Disappears.
3)
Push the
[FUNC]
switch then push the
[BAND]
switch
to turn
ON
the 10
Hz
digit.
•
The
10
Hz
digit
appears
again.
Appears
again.
4-3
VFO
A AND
VFO
B SELECTION
The
IC-725 contains
two
VFOs
which both
receive
and
transmit.
The
VFOs
are called
VFO A
and
VFO
B.
This
dual
VFO
system
provides
tremendous
operating
flexibility.
Push the
[VFO]
switch to
select
VFO A
or
VFO
B.
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Push [VFO].
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